- Source: Kosaka
Kosaka (小坂, 小阪 or 古坂) and Kōsaka (高坂 or 向坂, also spelled Kousaka) are two separate Japanese surnames, distinguished by the length of the vowel in the first syllable of each surname. They are sometimes spelled identically in romanisation due to omission of the macron in the latter surname. Notable people with these surnames include:
Daimaou Kosaka (古坂 大魔王), comedian
Kenji Kosaka (小坂 憲次), politician
Kitarō Kōsaka (高坂 希太郎), animator and film director
Makoto Kosaka (小坂 誠), professional baseball player
Nao Kosaka (小坂菜緒), idol, model, actress and member of the Japanese girls idol group Hinatazaka46
Kōsaka Masanobu (高坂 昌信), samurai warrior
Riyu Kosaka (小坂 りゆ), member of the Konami-produced J-Pop group BeForU
Tadahiro Kosaka (小坂 忠広), race walker
Yuka Kosaka (小阪 由佳), gravure idol
Zentaro Kosaka (小坂 善太郎), politician
Fictional characters:
Chihiro Kosaka (小阪 ちひろ), a character from The World God Only Knows
Honoka Kōsaka (高坂 穂乃果), a character from Love Live!
Kirino Kōsaka (高坂 桐乃), a character from Oreimo
Tamaki Kōsaka (向坂 環), a character from To Heart 2
Reina Kousaka (高坂 麗奈), a character from Sound! Euphonium
See also
Kosaka, Akita (小坂町), town located in Kazuno District, Akita Prefecture, Japan